Apache Kyuubi™ is a distributed and multi-tenant gateway to provide serverless SQL on Data Warehouses and Lakehouses.

Apache Kyuubi 1.3.1-incubating

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# Auxiliary SQL Functions for Spark SQL

Kyuubi provides several auxiliary SQL functions as supplement to Spark's [Built-in Functions](https://spark.apache.org/docs/latest/api/sql/index.html#built-in-functions)

Name | Description | Return Type | Since
--- | --- | --- | ---
kyuubi_version | Return the version of Kyuubi Server | string | 1.3.0
engine_name | Return the spark application name for the associated query engine | string | 1.3.0
system_user | Return the system user name for the associated query engine | string | 1.3.0


2. Auxiliary SQL Functions for Spark SQL

InfoSphere v2026.0.2 版本已经发布，增强多个功能模块，完善了更多的功能！

1. Getting Started with Kyuubi

2. Getting Started With Kyuubi and DBeaver

3. Getting Started With Hive Beeline

4. Getting Started With Hive JDBC

5. Getting Started With Kyuubi and DataGrip

6. Getting Started with Kyuubi and Cloudera Hue

Quick Start

1. Deploy Kyuubi engines on Yarn

2. Deploy Kyuubi engines on Kubernetes

3. Integration with Hive Metastore

4. Kyuubi High Availability Guide

Basics

1. Introduction to the Kyuubi Configurations System

3. The Engine Configuration Guide

3. How To Use Spark Dynamic Resource Allocation (DRA) in Kyuubi

4. How To Use Spark Adaptive Query Execution (AQE) in Kyuubi

Configurations

Deploying Kyuubi

1. Authentication

2. Kinit Auxiliary Service

3. ACL Management Guide

Security

1. Access Kyuubi with Hive JDBC and ODBC Drivers

Client Documentation

1. Kyuubi On Apache Kudu

Integrations

1. Kyuubi Server Metrics

2. Logging

3. Trouble Shooting

Monitoring

1. Auxiliary SQL extension for Spark SQL

SQL References

1. Kubernetes Tools Spark Block Cleaner

Tools

Usage Guide

1. Architecture

2. Kyuubi v.s. HiveServer2

3. Kyuubi v.s. Spark Thrift JDBC/ODBC Server (STS)

Overview

Kyuubi Insider

1. Building Kyuubi

2. Building a Runnable Distribution

3. Building Kyuubi Documentation

4. Running Tests

5. Debugging Kyuubi

6. Developer Tools

Develop Tools

1. Collaborators

2. Contribution Guidelines

3. Kyuubi Project Improvement Proposals (KPIP)

4. Kyuubi Release Guide

5. Community

Community

Contributing

1. Terminologies

Appendixes

Appendix

Name	Description	Return Type	Since
kyuubi_version	Return the version of Kyuubi Server	string	1.3.0
engine_name	Return the spark application name for the associated query engine	string	1.3.0
system_user	Return the system user name for the associated query engine	string	1.3.0

2. Auxiliary SQL Functions for Spark SQL

Auxiliary SQL Functions for Spark SQL

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